third_party/protobuf: Update to HEAD (f52e188fe4)

third_party/protobuf/autogen.sh

Index: third_party/protobuf/autogen.sh
diff --git a/third_party/protobuf/autogen.sh b/third_party/protobuf/autogen.sh
index 5b4c29f8c06fa38d00b1931a976ba62e6bbb6e4f..9f266425856bb177db3bd2581c54f8aac898b16b 100755
--- a/third_party/protobuf/autogen.sh
+++ b/third_party/protobuf/autogen.sh
@@ -31,10 +31,15 @@ fi
 # directory is set up as an SVN external.
 if test ! -e gmock; then
   echo "Google Mock not present.  Fetching gmock-1.7.0 from the web..."
-  curl $curlopts -O https://googlemock.googlecode.com/files/gmock-1.7.0.zip
-  unzip -q gmock-1.7.0.zip
-  rm gmock-1.7.0.zip
-  mv gmock-1.7.0 gmock
+  curl $curlopts -L -O https://github.com/google/googlemock/archive/release-1.7.0.zip
+  unzip -q release-1.7.0.zip
+  rm release-1.7.0.zip
+  mv googlemock-release-1.7.0 gmock
+
+  curl $curlopts -L -O https://github.com/google/googletest/archive/release-1.7.0.zip
+  unzip -q release-1.7.0.zip
+  rm release-1.7.0.zip
+  mv googletest-release-1.7.0 gmock/gtest
 fi
 
 set -ex